From: Jamie Lokier <lk@tantalophile.demon.co.uk>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Hashing and directories
Date: Wed, 7 Mar 2001 17:10:20 +0100 [thread overview]
Message-ID: <20010307171020.A10607@pcep-jamie.cern.ch> (raw)
In-Reply-To: <000201c0a71f$3a48fae0$5517fea9@local>
In-Reply-To: <000201c0a71f$3a48fae0$5517fea9@local>; from manfred@colorfullife.com on Wed, Mar 07, 2001 at 04:56:36PM +0100
Manfred Spraul wrote:
> I'm not sure that this is the right way: It means that every exec() must
> call dup_mmap(), and usually only to copy a few hundert bytes. But I
> don't see a sane alternative. I won't propose to create a temporary file
> in a kernel tmpfs mount ;-)
Every exec creates a whole new mm anyway, after copying data from the
old mm. The suggestion is to create the new mm before copying the data,
and to copy the data from the old mm directly to the new one.
-- Jamie
next prev parent reply other threads:[~2001-03-07 16:10 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-07 15:56 Manfred Spraul
2001-03-07 16:10 ` Jamie Lokier [this message]
2001-03-07 16:23 ` Manfred Spraul
2001-03-07 18:21 ` Linus Torvalds
-- strict thread matches above, loose matches on Subject: below --
2001-02-22 23:08 Bill Crawford
2000-01-01 2:02 ` Pavel Machek
2001-03-01 20:54 ` Alexander Viro
2001-03-01 21:05 ` H. Peter Anvin
2001-03-01 21:13 ` Alexander Viro
2001-03-01 21:24 ` H. Peter Anvin
2001-03-02 9:04 ` Pavel Machek
2001-03-02 12:01 ` Oystein Viggen
2001-03-02 12:26 ` Tobias Ringstrom
2001-03-02 12:58 ` David Weinehall
2001-03-02 19:33 ` Tim Wright
2001-03-12 10:05 ` Herbert Xu
2001-03-12 10:43 ` Xavier Bestel
2001-03-01 21:23 ` Andreas Dilger
2001-03-01 21:26 ` Bill Crawford
2001-03-01 21:05 ` Tigran Aivazian
2001-03-02 8:56 ` Pavel Machek
2001-03-07 0:37 ` Jamie Lokier
2001-03-07 4:03 ` Linus Torvalds
2001-03-07 13:41 ` Jamie Lokier
2001-03-02 9:00 ` Pavel Machek
2001-03-03 0:03 ` Bill Crawford
2001-03-08 12:42 ` Goswin Brederlow
2001-04-27 16:20 ` Daniel Phillips
2001-02-22 23:22 ` H. Peter Anvin
2001-02-22 23:54 ` Bill Crawford
2001-03-10 11:22 ` Kai Henningsen
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